Portrait of the Duke of Wellington may refer to:
Portrait of the Duke of Wellington (Gérard), an 1814 painting by François Gérard Portrait of the Duke of Wellington (Goya), an 1812–1814 painting by Francisco de Goya Portrait of the Duke of Wellington (Lawrence), an 1815–1816 painting by Sir Thomas Lawrence Portrait of the Duke of Wellington (Phillips), an 1814 painting by Thomas Phillips Portrait of the Duke of Wellington (Waterloo Chamber), an 1815 painting by Sir Thomas Lawrence Unfinished Wellington, an 1829 painting by Thomas Lawrence
See also Portrait of Arthur Wellesley, a 1795 painting by John Hoppner